Executes an SQL statement against the Connection and returns the number of rows affected.
Assembly: System.Data.OracleClient (in System.Data.OracleClient.dll)
- Type: System.Data.OracleClient.OracleString
A base64 string representation of the actual row ID in the server.
Return ValueType: System.Int32
For UPDATE, INSERT, and DELETE statements, the return value is the number of rows affected by the command. For CREATE TABLE and DROP TABLE statements, the return value is 0. For all other types of statements, the return value is -1.
The connection does not exist.
The connection is not open.
You can use to perform catalog operations (for example, querying the structure of a database or creating database objects such as tables); or to change the data in a database, without using a DataSet, by executing UPDATE, INSERT, or DELETE statements.
differs from ExecuteNonQuery in that it returns rowid as an output parameter if you are executing an INSERT, DELETE, or UPDATE statement that affects exactly one row. This allows you to uniquely identify a row in the Oracle database, which can allow you to increase performance in subsequent, related queries.
Although does not return any rows, any output parameters or return values mapped to parameters are populated with data.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.